Why do you need a forge in a dungeon?
1. Are you trying to gain Blacksmithing skill faster?
2. The experience bonus for dungeons applies to Blacksmithing so everyone would want to macro their Blacksmithers in a dungeon.
3. What's wrong with crafting in town, why put your items at risk?
4. Do you want a forge in the entrance to Shelter Dungeon as well? Blacksmithing, Tailoring and the crafting skills are quite desirable so ideally you'd want it difficult to raise.
I see no reason to put forges in dungeons, I can however see them being put in mining caves in the Overland but if I remember correctly there already are forges there. Has been on all other shards.
I also see no reason _not_ to put forges in dungeons, I think I speak for everyone when I say it's a silly idea though. Practically noone will be using them unless exploiting the experience bonus gain. Is that your hidden agenda?
Crafting is inherently a casual thing to do and there is no benefit to having forges in the dungeon. Crafters are made to farm society jobs anyway.
Greetings Populus,
Im gonna speak from my perspective and others might have a different reason for wanting this.
When we recall, we have to wait 60 seconds until we can start mining. Mining up to max carry weight doesn't take long. When in the wilderness there is forges in mines and at folks homes but not in dungeons.
Dungeons are fun, yes! Exploration, monsters, locked chest and even watching other players clear areas is so fun. Miners in dungeons would be another element to the experience. Good news, ill rez fallen player

. hmm name change token - Samuel the Wandering Healer, Grandmaster Miner. *chuckles*
Going to a fro to town because im over weight makes dungeon mining not so fun. I mostly mine in a dungeon actually. I mine inside the dungeon and then run outside to use near by forges. I have mined in dungeon level 2 before where other players are fighting [clearing the area] hehehe. I have considered trying to get to the bottom of Ageis just to experience mining down there and trip other players out.
That being said, the deeper you go the longer it takes to run back and forth, so it's not so useful to mine beyond level 1 in my opinion aside from enjoying the unique mining visualization. The breaking point is if it takes 60 seconds to go and come back then why bother going deeper in the dungeon to mine ore. To enjoy the excitement of mining deeper in a dungeon we would need forges to smelt the ore so we can stay down there longer.
Here is a practical parable - Imagine only being able to carry 15k gold you might >not< want to fight until you're deeper in a dungeon so you can enjoy the [visual thematic] exploration. Or we can figure out ways to increase our gold carrying capacity via strongbox. Upbrading strongboxes 1 & 2 is great! and yet it increases the risk of going bust and loosing it all, or getting robbed by thieves

Likewise having forges in dungeons would increase the exposure of risk vs reward.
As for experience, that is a bonus but not what im focused on.
Again others might have a different interpretation why they would want this.
I should note im very partial to this as we created a kickstarter project for 3d printable tabletop gaming terrain with elements of mining in an underground world.
Blessings